參數(shù)資料
型號： M30L0T8000B0ZAQE
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 16M X 16 FLASH 1.8V PROM, 85 ns, PBGA88
封裝： 8 X 10 MM, 0.80 MM PITCH, LEAD FREE, BGA-88
文件頁數(shù)： 10/103頁
文件大小： 794K
代理商： M30L0T8000B0ZAQE
Signal descriptions
M30L0T8000T0, M30L0T8000B0
2.13
VPP Program Supply Voltage
VPP is both a control input and a power supply pin. The two functions are selected by the
voltage range applied to the pin.
If VPP is kept in a low voltage range (0V to VDDQ) VPP is seen as a control input. In this case
a voltage lower than VPPLK gives an absolute protection against program or erase, while
VPP in the VPP1 range, enables these functions (see Tables 21 and 22, DC Characteristics
for the relevant values). VPP is only sampled at the beginning of a program or erase; a
change in its value after the operation has started does not have any effect and program or
erase operations continue.
If VPP is in the range of VPPH it acts as a power supply pin. In this condition VPP must be
stable until the Program/Erase algorithm is completed.
2.14
VSS Ground
VSS ground is the reference for the core supply. It must be connected to the system ground.
2.15
VSSQ Ground
VSSQ ground is the reference for the input/output circuitry driven by VDDQ. VSSQ must be
connected to VSS
Note:
Each device in a system should have VDD, VDDQ and VPP decoupled with a 0.1F ceramic
capacitor close to the pin (high frequency, inherently low inductance capacitors should be as
close as possible to the package). See Figure 8: AC Measurement Load Circuit. The PCB
track widths should be sufficient to carry the required VPP program and erase currents.
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